Learn the steps to form an LLC in Idaho – from choosing your name to filing your Certificate of Organization. $1 + $100 state fee. Start today.
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Filing fee: $100 online (Certificate of Organization); $120 by mail
Processing time: 5-7 business days online; 2-3 weeks by mail
State agency: Idaho Secretary of State (SOSBiz online portal)
Annual report due: By the end of your LLC’s anniversary month each year — free ($0). No late fee, but miss it and the state can dissolve your LLC after a 60-day notice period.
State tax rate: Flat 5.3% income tax on pass-through income and 6% statewide sales tax; no franchise tax and no general state business license
Start your U.S. business journey today. Form your company with confidence and let Brio handle the paperwork.
Forming an LLC in Idaho takes 5 steps: choose and check your business name, appoint a Registered Agent with a physical Idaho address, file a Certificate of Organization online or by mail, draft an operating agreement, and get an Employer Identification Number (EIN) from the IRS. The state filing fee is $100 online.
Idaho keeps business taxes simple: pass-through LLC income is taxed at a flat 5.3% personal rate, and there’s no franchise tax or annual LLC tax on top of it. An LLC gives you personal liability protection and pass-through taxation without the administrative overhead of a corporation — a combination that works well for most Idaho entrepreneurs.
Idaho also keeps ongoing paperwork light: the annual report is completely free — one of the few states that doesn’t charge for it — and there’s no general state business license to renew. If you sell taxable goods you’ll need a seller’s permit from the State Tax Commission, but the overall compliance burden is lighter than in many other states.
Unlike some states, Idaho doesn’t require you to reserve your name before filing — you simply claim it when you file your Certificate of Organization. If you’re not ready to file yet, you can optionally reserve a name online through the Secretary of State’s SOSBiz portal. The fee is $20, and the reservation holds your name for 4 months.
Your LLC name must be distinguishable from other registered businesses in Idaho and must include a designator like “Limited Liability Company,” “Limited Company,” “LLC,” or “L.L.C.” Check the Secretary of State’s business name database before you file to avoid a rejection.
Every Idaho LLC must have a registered agent — a person or entity designated to receive legal notices and government documents on behalf of the business. The agent must have a physical street address in Idaho (a P.O. box doesn’t count) and be available during regular business hours.
You can serve as your own registered agent if you have a physical Idaho address and can be there during business hours. Many business owners use a professional registered agent service instead — it keeps your personal address off public records and ensures someone is always available to receive documents.
The Certificate of Organization is the document that legally creates your Idaho LLC. You file it with the Idaho Secretary of State through the SOSBiz online portal. Online filing is the fastest and cheapest option — processing takes about 5-7 business days. You can also mail a paper form, which costs an extra $20 and takes 2-3 weeks.
The Certificate must include your LLC’s name, a principal office street address and mailing address, your registered agent’s name and Idaho street address, and the name and address of at least one governor — Idaho’s term for a member or manager. The state filing fee is $100 online or $120 by mail.
Idaho doesn’t require you to file an operating agreement with the state, but you should have one. It’s the internal document that defines how your LLC is managed — who owns what, how profits are distributed, and how decisions get made. Without one, Idaho’s default LLC statutes fill in the gaps, which may not reflect what you actually want.
Your operating agreement should specify whether the LLC is member-managed or manager-managed. In a member-managed LLC, all owners share day-to-day authority. In a manager-managed LLC, a designated manager handles operations while other members retain economic rights. A written agreement is the version that holds up when disputes arise.
An Employer Identification Number (EIN) is a 9-digit federal tax ID issued by the IRS. Your Idaho LLC needs one to open a business bank account, hire employees, and file federal taxes. Applying online at irs.gov is free and issues your EIN immediately after you complete the application.
To use the IRS online application, the responsible party must have a valid Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN), and the business must have its principal place of business in the United States. The IRS does not charge a fee for issuing an EIN.
Idaho LLCs file one report with the Secretary of State: an annual report due by the end of your LLC’s anniversary month — the month your LLC was originally approved. It’s free to file ($0) and takes a few minutes online through SOSBiz. There’s no initial report, no franchise tax, and no annual LLC tax.
Idaho has no general state business license, but if you sell taxable goods or services you’ll need a free seller’s permit from the Idaho State Tax Commission to collect the 6% sales tax. There’s no late fee for a missed annual report, but miss the deadline and the state can send a dissolution notice — file within 60 days of that notice or your LLC can be administratively dissolved.
The required Idaho state fee is $100 to file the Certificate of Organization online with the Secretary of State — paper filings cost $120 because of a $20 manual processing fee. The annual report is free, and reserving your name before filing is optional at $20. There’s no additional state fee to get your EIN; the IRS issues EINs for free.
Yes. Idaho allows a single person to form and own an LLC – this is called a single-member LLC. You can complete the Certificate of Organization filing online through the SOSBiz portal without an attorney. You’ll still need to appoint a registered agent with a physical Idaho address, but that can be yourself if you qualify.
No. Idaho charges a $100 Certificate of Organization fee – that’s a required state fee you can’t avoid. What you can avoid is paying extra for formation help. We handle your Idaho LLC filing for $1; you only pay the required state fees.
Yes – but unlike most states, Idaho doesn’t charge for it. The annual report is free ($0) and due by the end of your LLC’s anniversary month each year, filed online through SOSBiz. There’s no late fee, but miss the deadline and the state can send a dissolution notice — if you still haven’t filed within 60 days of that notice, your LLC can be administratively dissolved, and reinstatement costs $30.
Yes, every Idaho LLC is required to have a registered agent. A registered agent is a person or entity that receives legal notices and official government documents on behalf of your LLC. The agent must have a physical street address in Idaho — not a P.O. box — and be available during regular business hours. You can serve as your own registered agent or use a professional service.
The mistakes that come up most often are skipping the free annual report because there’s no fee attached — miss it and Idaho can dissolve your LLC after a 60-day notice period — filing on paper and paying the avoidable $20 manual processing fee, using a P.O. box for the registered agent address (not allowed), and not having a written operating agreement. A lot of business owners also forget to get a seller’s permit from the State Tax Commission before collecting Idaho’s 6% sales tax.
Online filings through the SOSBiz portal are processed in about 5-7 business days. Paper filings by mail take 2-3 weeks including transit time. If speed matters, file online – and for an extra $40 the state offers expedited processing within eight business hours, or same-day processing for $100.
Thinking about another state? Compare Wyoming, Delaware, Texas and Florida — or browse all 50 state guides.
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